Class to hold flag data given user input and (potentially) draw it.

FlagDrawer.class

import javax.swing.*;
import java.lang.*;

class FlagDrawer {

	private int countryCode;
	private int flagWidth;
	private int flagHeight;

	public static void main(String args[]) {
     	
		int inputCountry = FlagDrawer.getInputCountry();
		int inputSize = FlagDrawer.getInputSize();

     	FlagDrawer flag = new FlagDrawer(inputCountry, inputSize);
     	flag.drawFlag();

    }

	public FlagDrawer(int country, int size) {

		countryCode = country;
		flagHeight = size;
		flagWidth = size * 2;
	}

	public void drawFlag() {

		// Code to draw flag using the fields in our object.
		// Just showing the values for now in message dialogs.
		JOptionPane.showMessageDialog(null, countryCode, "Country", JOptionPane.INFORMATION_MESSAGE);
		JOptionPane.showMessageDialog(null, flagHeight, "Height", JOptionPane.INFORMATION_MESSAGE);
		JOptionPane.showMessageDialog(null, flagWidth, "Width", JOptionPane.INFORMATION_MESSAGE);

	}

	public static int getInputCountry() {

		String input = JOptionPane.showInputDialog("Please input a country code.");
		return Integer.parseInt(input);

	}

	public static int getInputSize() {

		String input = JOptionPane.showInputDialog("Please input the height you'd like your flag to be.");
		return Integer.parseInt(input);

	}

}